UK Company Numbers
Company Registration Number Formats
English and Welsh companies have registration numbers that consist of 8 digits. Companies registered in Scotland and Northern Ireland and those registered by the Financial Services Authority have a 1 or 2 character alphabetic prefix. The following are possible values for the prefix.
Value Description
AC Assurance Company England and Wales
FC Foreign Company England and Wales
GE European Economic Interest Grouping (EEIG) England and Wales
GN EEIG Northern Ireland
GS EEIG Scotland
IC Investment Company with Variable Capital (ICVC) England and Wales
IP Industrial and Provident England and Wales
LP Limited Partnership England and Wales
NA Assurance Company Northern Ireland
NF Foreign Company Northern Ireland
NI Northern Ireland Company
NL Limited Partnership Northern Ireland (This prefix is not applicable to CT and should not be used)
NO Other Northern Ireland
NP Industrial and Provident Northern Ireland
NR Royal Charter Northern Ireland
NZ Not Companies Act Northern Ireland
OC Other England and Wales (This prefix is only used for LLP cases in liquidation)
R Northern Ireland Company registered before the partition of Ireland in 1922
RC Royal Charter England and Wales
SA Assurance Company Scotland
SC Scottish Company
SF Foreign Company Scotland
SI Investment Company with Variable Capital (ICVC) Scotland
SL Limited Partnership Scotland (Companies registered under this prefix are not liable to Corporation Tax and must not be set up on COTAX)
SO Other Scotland (This prefix must only be used for LLP cases in liquidation)
SP Industrial / Provident Scotland
SR Royal Charter Scotland
SZ Not Companies Act Scotland
ZC Not Companies Act England and Wales